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. 2015 Apr 28;5:9845. doi: 10.1038/srep09845

Figure 1. (a) A map showing the sampling site of Alert (82.5°N, 62.3°W) in the Canadian High Arctic; (b) and (c) are typical excitation-emission matrix (EEM) fluorescence spectra of water-soluble organic carbon (WSOC) in the aerosol samples collected before and after the polar sunrise, respectively. The map in the figure was drawn by Ocean Data View.

Figure 1